Does the commutative property apply to subtraction

Which category best describe this shapes

How many solutions does the following equation have? 14 (z+3) = 14z+2114 (z+3) = 14z+21

A street light is mounted at the top of a 15-ft tall pole. A man 6 ft tall walks away from the pole with a speed of 5 ft/s along a straight path. How fast is the tip of his shadow moving when he is 40 ft from the pole?

The function f (x) = 1/5 is translated up 4 units. Which equation represents the translated function?

I'm If Linda age is decreased by 36, the result is twice Linda's age. how old is linda?

Turn 276% into a mixed number

11,760,825 in expanded form

What's 9x - 7 = - 7 show your work

Find all the the real square roots of 144

Inez and Felicia had three days to read a book. Inez read 40 pages the first day, 60 pages the second day, and 125 pages the third day. Felicia read the same book, but she read an equal number of pages each of the three days.